<ion-header>
  <ion-navbar>
    <button ion-button menuToggle>
      <ion-icon name="menu"></ion-icon>
    </button>
    <ion-title>Fourth Page</ion-title>
  </ion-navbar>
</ion-header>
<ion-content>
  Fourth Page
  <div>
    <button ion-button (click)="clickMe()">Go To Next Page</button>
  </div>
</ion-content>